News tagged with white dwarfs

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Did GD61 eat a Planetessimal?

The primary method by which astronomers hope to study exoplanet atmospheres is by detecting their absorption spectra as they transit their parent stars. However, another way would be to detect the signal of ...

dateJan 06, 2011 in Astronomy
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Will V445 puppis become a Ia supernova?

As the “V” in the designation of V445 Puppis indicates, this star was a variable star located in the constellation of Puppis. It was a fairly ordinary periodic variable, although with a rather complex ...

dateDec 06, 2010 in Astronomy
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Astronomers find 'snooker star system'

Astronomers at The University of Warwick and the University of Sheffield have helped discover an unusual star system which looks like, and may even once have behaved like, a game of snooker.

dateNov 09, 2010 in Astronomy
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Fermi detects gamma-rays from exploding nova

Using the Large Area Telescope (LAT) onboard NASA's Fermi Gamma-ray Space Telescope satellite, astronomers have detected gamma rays from a nova for the first time, a finding that surprises both observers and ...

dateAug 23, 2010 in Astronomy
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Origin of Key Cosmic Explosions Still a Mystery

(PhysOrg.com) -- When a star explodes as a supernova, it shines so brightly that it can be seen from millions of light-years away. One particular supernova variety - Type Ia - brightens and dims so predictably ...

dateJul 12, 2010 in Astronomy
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Supernovae mystery solved

(PhysOrg.com) -- Supernovae are gigantic stellar explosions that can be seen across the entire universe. Type Ia supernovae are a relatively homogeneous class of stellar explosions, which researchers use as ...

dateJun 30, 2010 in General Physics
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